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72 lines
1.2 KiB
C++
72 lines
1.2 KiB
C++
#ifndef __mpw_os_internal_h__
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#define __mpw_os_internal_h__
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#include <deque>
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#include <string>
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#include <sys/types.h>
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namespace OS {
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std::string realpath(const std::string &path);
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namespace Internal {
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int32_t mac_seek(uint16_t refNum, uint16_t mode, int32_t offset);
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struct FDEntry
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{
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int refcount;
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bool text;
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bool resource;
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std::string filename;
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FDEntry() :
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refcount(0),
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text(false),
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resource(false)
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{}
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static std::deque<FDEntry> FDTable;
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static FDEntry& allocate(int fd);
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static FDEntry& allocate(int fd, std::string &&filename);
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static FDEntry& allocate(int fd, const std::string &filename);
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static ssize_t read(int fd, void *buffer, size_t count);
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static ssize_t write(int fd, const void *buffer, size_t count);
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static int close(int fd, bool force = false);
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static int open(const std::string &filename, int permission, int fork);
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template<class F1, class F2>
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static int32_t action(int fd, F1 good, F2 bad)
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{
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if (fd < 0 || fd >= FDTable.size())
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{
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return bad(fd);
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}
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auto &e = FDTable[fd];
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if (e.refcount)
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{
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return good(fd, e);
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}
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else
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{
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return bad(fd);
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}
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}
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};
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} }
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#endif
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